The Adafruit ItsyBitsy ESP32 has been in the works for some time. The recent pandemic, and all the associated supply chain issues, certainly added to the delay. But now, you can finally get your hands on this diminutive microcontroller.
So, what does this little board do? A lot! The board features an ESP32 Pico module, which is an FCC-certified module containing an ESP32 chip with dual-core 240MHz Tensilica processor, built-in Wi-Fi and Bluetooth classic + BLE, along with 8MB of flash memory and 2MB of PSRAM. Coupled with all that power are 20 GPIO pins, including PWM output on any pin.
It also has hardware-based UART and SPI, and the ability to use eight pins as capacitive touch inputs. There is more that this board can do, and there are different antenna connectors available, so you really need to check out the product page for all the details.
They rate the board 10 out of 10, saying “A tiny ESP32 board with lots of functionality.”
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